Plate Tectonics
(Copy and correctly complete the following items. Note the answer bank at the bottom.)
1. The outer layer of the Earth is made of more than a dozen pieces called…
2. The theory that pieces of the Earth’s crust move slowly in various directions is called…
3. Plates on average move ….. per year.
4. The three relative motions that occur between plates are…
5. There is evidence that at one time all the continents were joined making a super-continent called…
6. The slow movements of continents is called…
7. Identical dinosaur fossils found on opposite sides of an ocean is because…
8. Identical rock on opposite sides of the ocean is because…
9. Evidence of glaciers on opposite sides of the ocean is because…
10. Huge ferns grew in North America in the past because…
11. When populations of an organism become widely separated, their genetic makeup may…
12. Australia may have more marsupials than other continents because…
13. The young of marsupials develop in ….
Answer Bank: *five
*pouch
*Plates
*Pangaea
*Continental drift
*Theory of plate tectonics
*change in different ways
*it has been isolated for a longer time
*the continents were together at one time.
*the continents were together at one time.
*the continents were together at one time.
*North America was at or closer to the equator in the past so the climate was tropical
*plates pull away from each other, plates push together, and plates slide past each other.
(Copy and correctly complete the following items. Note the answer bank at the bottom.)
1. The outer layer of the Earth is made of more than a dozen pieces called…
2. The theory that pieces of the Earth’s crust move slowly in various directions is called…
3. Plates on average move ….. per year.
4. The three relative motions that occur between plates are…
5. There is evidence that at one time all the continents were joined making a super-continent called…
6. The slow movements of continents is called…
7. Identical dinosaur fossils found on opposite sides of an ocean is because…
8. Identical rock on opposite sides of the ocean is because…
9. Evidence of glaciers on opposite sides of the ocean is because…
10. Huge ferns grew in North America in the past because…
11. When populations of an organism become widely separated, their genetic makeup may…
12. Australia may have more marsupials than other continents because…
13. The young of marsupials develop in ….
Answer Bank:
*five
*pouch
*Plates
*Pangaea
*Continental drift
*Theory of plate tectonics
*change in different ways
*it has been isolated for a longer time
*the continents were together at one time.
*the continents were together at one time.
*the continents were together at one time.
*North America was at or closer to the equator in the past so the climate was tropical
*plates pull away from each other, plates push together, and plates slide past each other.